Thanks!Creating Detailed Math Questions with Cramster: A Scientist's Guide

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Cramster is highlighted as a useful tool for creating detailed math questions due to its inclusion of necessary mathematical symbols. The discussion centers around the existence of negatives axiom, confirming that for any real number 'a', there exists a real number 'b' such that a + b = 0. Participants express agreement on the validity of this axiom and appreciate the insights shared. The original poster seeks guidance on marking the forum thread as 'closed' or 'solved' now that their question has been answered. Overall, the conversation emphasizes the utility of Cramster and the collaborative nature of the forum in resolving mathematical queries.
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I've used Cramster to create my question in detail since it has the mathematical symbols I needed.

http://answerboard.cramster.com/advanced-math-topic-5-301680-0.aspx" .

Any advice, suggestions, ideas, and help is greatly appreciated.
Thank you very much!:smile:
 
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Number 4 reads:
"for any(or all) real number(s) 'a', there exists a real number (not a single one) 'b' such that a+b=0."
Whatever 'a' is, you can pick out the 'b'
This is true.

I agree with the first three.
CC
 
Statement 4 is the existence of negatives axiom I've always been taught:

"For every real number x there is a real number y such that x + y = 0."
 
Thanks to everyone who replied! It helped a lot!

I'm very new to this forum (just joined yesterday). Now how do I mark this forum as 'closed' or 'solved' so that people don't have to view it anymore since my question's been answered?
 
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Thread 'Family of lines that are at a distance of 5 from the origin'

I picked up this problem from the Schaum's series book titled "College Mathematics" by Ayres/Schmidt. It is a solved problem in the book. But what surprised me was that the solution to this problem was given in one line without any explanation. I could, therefore, not understand how the given one-line solution was reached. The one-line solution in the book says: The equation is ##x \cos{\omega} +y \sin{\omega} - 5 = 0##, ##\omega## being the parameter. From my side, the only thing I could...
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